/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.ozone.erasurecode.rawcoder;

import org.apache.hadoop.hdds.annotation.InterfaceAudience;
import org.apache.hadoop.hdds.client.ECReplicationConfig;

/**
 * A dummy raw encoder that does no real computation.
 * Instead, it just returns zero bytes.
 * This encoder can be used to isolate the performance issue to HDFS side logic
 * instead of codec, and is intended for test only.
 */
@InterfaceAudience.Private
public class DummyRawEncoder extends RawErasureEncoder {

  public DummyRawEncoder(ECReplicationConfig ecReplicationConfig) {
    super(ecReplicationConfig);
  }

  @Override
  protected void doEncode(ByteArrayEncodingState encodingState) {
    // Nothing to do. Output buffers have already been reset
  }

  @Override
  protected void doEncode(ByteBufferEncodingState encodingState) {
    // Nothing to do. Output buffers have already been reset
  }
}
